Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 2 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/05/2018   06:32:13   (  -0.00, -75.18) (   0.26, -76.46)  145.06                80
 02/06/2018   06:10:48   (  -0.00, -75.18) (  -0.75, -71.92)  371.65                80
 02/07/2018   18:32:43   (   0.00, -75.20) (  -0.43, -77.22)  230.03                80
 02/08/2018   18:16:37   (   0.00, -75.20) (   0.58, -72.69)  287.16                80
 02/10/2018   06:38:24   (  -0.00, -75.20) (   0.62, -77.95)  313.92                80
 02/11/2018   06:16:58   (  -0.00, -75.20) (  -0.39, -73.41)  203.32                80
 02/12/2018   18:38:53   (   0.00, -75.23) (  -0.79, -78.71)  397.86                80
 02/13/2018   18:22:48   (   0.01, -75.24) (   0.22, -74.18)  119.92                80
 02/15/2018   06:44:35   (  -0.01, -75.24) (   0.91, -79.45)  479.90                80
 02/16/2018   06:23:10   (  -0.01, -75.25) (  -0.10, -74.92)   38.06                80